Home / 138,251.64-207,318.77-58,325.45

Finding the Fourth Proportional to 138,251.64, 207,318.77 and 58,325.45

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Solution

The fourth proportional to 138,251.64, 207,318.77 and 58,325.45 is: 87,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,251.64 : 207,318.77 = 58,325.45 : x
  2. Step 2: Convert to fraction form
    138,251.64/207,318.77 = 58,325.45/x
  3. Step 3: Cross multiply
    138,251.64x = 207,318.77 × 58,325.45
  4. Step 4: Simplify right side
    138,251.64x = 12,091,959,225.48
  5. Step 5: Solve for x
    x = 12,091,959,225.48/138,251.64
  6. Step 6: Final answer
    x = 87,463.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.